13 lines
58 KiB
JavaScript
13 lines
58 KiB
JavaScript
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/**
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* UglifUI
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* by Alex Sexton
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*
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* UglifyJS
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* by Mihai Bazon, BSD license
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*
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* Underscore.js
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* by Brad Dunbar
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*
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*/
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:function(a,b){return[this[0],c(a),c(b)]},"do":function(a,b){return[this[0],c(a),c(b)]},"return":function(a){return[this[0],c(a)]},binary:function(a,b,d){return[this[0],a,c(b),c(d)]},"unary-prefix":function(a,b){return[this[0],a,c(b)]},"unary-postfix":function(a,b){return[this[0],a,c(b)]},sub:function(a,b){return[this[0],c(a),c(b)]},object:function(a){return[this[0],I(a,function(a){return a.length==2?[a[0],c(a[1])]:[a[0],c(a[1]),a[2]]})]},regexp:function(a,b){return[this[0],a,b]},array:function(a){return[this[0],I(a,c)]},stat:function(a){return[this[0],c(a)]},seq:function(){return[this[0]].concat(I(z(arguments),c))},label:function(a,b){return[this[0],a,c(b)]},"with":function(a,b){return[this[0],c(a),c(b)]},atom:function(a){return[this[0],a]}},g={},h=[];return{walk:c,dive:d,with_walkers:e,parent:function(){return h[h.length-2]},stack:function(){return h}}}function c(a){this.names={},this.mangled={},this.rev_mangled={},this.cname=-1,this.refs={},this.uses_with=!1,this.uses_eval=!1,this.parent=a,this.children=[],a?(this.level=a.level+1,a.children.push(this)):this.level=0}function d(a){function d(a){j=new c(j),j.labels=new c;var b=j.body=a();return b.scope=j,j=j.parent,b}function e(a,b){return j.define(a,b)}function f(a){j.refs[a]=!0}function g(a,b,c){var f=this[0]=="defun";return[this[0],f?e(a,"defun"):a,b,d(function(){return f||e(a,"lambda"),I(b,function(a){e(a,"arg")}),I(c,l)})]}function h(a){return function(b){I(b,function(b){e(b[0],a),b[1]&&f(b[0])})}}function i(a){a&&(j.labels.refs[a]=!0)}var j=null,k=b(),l=k.walk,m=[];return d(function(){function b(a,c){for(c=a.children.length;--c>=0;)b(a.children[c]);for(c in a.refs)if(x(a.refs,c))for(var d=a.has(c),e=a;e;e=e.parent){e.refs[c]=d;if(e===d)break}}var c=k.with_walkers({"function":g,defun:g,label:function(a,b){j.labels.define(a)},"break":i,"continue":i,"with":function(a,b){for(var c=j;c;c=c.parent)c.uses_with=!0},"var":h("var"),"const":h("const"),"try":function(a,b,c){if(b!=null)return[this[0],I(a,l),[e(b[0],"catch"),I(b[1],l)],c!=null?I(c,l):null]},name:function(a){a=="eval"&&m.push(j),f(a)}},function(){return l(a)});return I(m,function(a){if(!a.has("eval"))while(a)a.uses_eval=!0,a=a.parent}),b(j),c})}function e(a,c){function e(a,b){return!c.toplevel&&!m.parent?a:c.except&&A(a,c.except)?a:m.get_mangled(a,b)}function f(a){if(c.defines)return!m.has(a)&&x(c.defines,a)?c.defines[a]:null}function g(a,b,d){if(!c.no_functions){var f=this[0]=="defun",g;a&&(f?a=e(a):d.scope.references(a)?(g={},!m.uses_eval&&!m.uses_with?a=g[a]=m.next_mangled():g[a]=a):a=null)}return d=h(d.scope,function(){return b=I(b,function(a){return e(a)}),I(d,l)},g),[this[0],a,b,d]}function h(a,b,c){var d=m;m=a;if(c)for(var f in c)x(c,f)&&a.set_mangle(f,c[f]);for(var f in a.names)x(a.names,f)&&e(f,!0);var g=b();return g.scope=a,m=d,g}function i(a){return[this[0],I(a,function(a){return[e(a[0]),l(a[1])]})]}function j(a){if(a)return[this[0],m.labels.get_mangled(a)]}var k=b(),l=k.walk,m;return c=c||{},k.with_walkers({"function":g,defun:function(){var a=g.apply(this,arguments);switch(k.parent()[0]){case"toplevel":case"function":case"defun":return I.at_top(a)}return a},label:function(a,b){return m.labels.refs[a]?[this[0],m.labels.get_mangled(a,!0),l(b)]:l(b)},"break":j,"continue":j,"var":i,"const":i,name:function(a){return f(a)||[this[0],e(a)]},"try":function(a,b,c){return[this[0],I(a,l),b!=null?[e(b[0]),I(b[1],l)]:null,c!=null?I(c,l):null]},toplevel:function(a){var b=this;return h(b.scope,function(){return[b[0],I(a,l)]})}},function(){return l(d(a))})}function f(a,b){return s(a).length>s(b[0]=="stat"?b[1]:b).length?b:a}function g(a){return a[0]=="block"&&a[1]&&a[1].length>0?a[1][a[1].length-1]:a}function h(a){if(a)switch(g(a)[0]){case"return":case"break":case"continue":case"throw":return!0}}function i(a){return a[0]=="unary-prefix"&&A(a[1],["!","delete"])||a[0]=="binary"&&A(a[1],["in","instanceof","==","!=","===","!==","<","<=",">=",">"])||a[0]=="binary"&&A(a[1],["&&","||"])&&i(a[2])&&i(a[3])||a[0]=="conditional"&&i(a[2])&&i(a[3])||a[0]=="assign"&&a[1]===!0&&i(a[3])||a[0]=="seq"&&i(a[a.length-1])}function j(a){r
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